Forced Induction Turbos/Superchargers

Is there a default Z54 wastegate duty cycle map?

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Old Dec 12, 2017 | 04:57 PM
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TroyK's Avatar
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Is there a default Z54 wastegate duty cycle map?

Is there a default Z54 wastegate duty cycle map for this turbo or is there a method to manually tune for this new turbo?

I'm installing a z54 this week.
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Old Dec 12, 2017 | 05:28 PM
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There is no manual method (assuming you mean manual as in tuning a carb) you have to use software.

Do you have hptuners?
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Old Dec 12, 2017 | 05:44 PM
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Sorry, yes I do have HPT. Manually tune as in logging data & tuning from logs.
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Old Dec 12, 2017 | 09:23 PM
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Drop the table down to 65ish and then start adjusting up depending on how far away you are from your target boost. Don't make a jump bigger than 10
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Old Dec 15, 2017 | 02:08 PM
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start at 25% and work up from there.
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Old Dec 15, 2017 | 02:11 PM
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Originally Posted by Area47
start at 25% and work up from there.
Do you start at 25 to see what the wastegate pressure is?
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Old Dec 15, 2017 | 02:24 PM
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Originally Posted by ECaulk
Do you start at 25 to see what the wastegate pressure is?
dont expect a response, he drops by once a month and disappears lmfao hes a hit it and quit it type of guy
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Old Dec 15, 2017 | 04:05 PM
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Originally Posted by hawkssoccer11
dont expect a response, he drops by once a month and disappears lmfao hes a hit it and quit it type of guy
I've been around long enough to know thats how he posts (and to know he knows his **** when it comes to tuning), but when he revisits he'll likely respond.
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Old Dec 18, 2017 | 09:31 AM
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Originally Posted by ECaulk
I've been around long enough to know thats how he posts (and to know he knows his **** when it comes to tuning), but when he revisits he'll likely respond.
oh i know lol. thats why i said it lol. you and i both know how he is lol. we also know is arguably the best out there lol.
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Old Dec 18, 2017 | 10:46 AM
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Keep the WGDC low to see where it actually hits at boost wise. Then work up from there. Some BCS setups will run 30 psi on 65% wgdc.

better safe than sorry.
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Old Dec 23, 2017 | 07:29 PM
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Ok, the next question how do I set all this up to be dialed in?

Are you talking about
Torque Management\Turbocharger\Duty Cycle Corr
or
Engine\Airflow\General\Torque Based\Desired Air Load
maps?

If it is the 1st one, what channels will I need to record for this?

Currently I'm trying the 1st table. I took the desired boost / actual boost & put it on a load% by RPM chart. Am I going the right way? Then once I get my desired boost to match the actual boost. Then start adjusting the DAL table?

Last edited by TroyK; Dec 23, 2017 at 09:53 PM.
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